Oh, don't worry at all--the librarian needs information in order to help you find what you need--that's her job!
As to finding books with appropriate content and reading level, I could make a couple of quick suggestions, if that would be helpful:
--TH White, "Mistress Masham's Repose" (more fun if he already has read or at least knows in general outline the plot of the Lilliput part of "Gulliver's Travels"); "The Sword and the Stone" (save the rest of the series for later--the sequels are heartbreaking, but this first one is perfect for a young advanced reader)
--try the Victorians: Rudyard Kipling, William Makepeace Thackeray (specifically the Xmas pantomimes), Lewis Carroll, Kenneth Grahame, George MacDonald, Robert Louis Stevenson, Edith Nesbit...
A couple places to start, anyway.....Take care, and don't worry,
peace
minnie
